Changes the page box layout in a PDF to Press, Screen viewing or PDF/X Layout.
If you select this layout, the trim box will be derived from the first page box (out of the list below) that is present on the page. Use the Up and Down button to move the preferred page box to the top of the list. For example, if bleed box is the first item in the list, and art box is the second, the trim box will be derived from the bleed box, if found; if there is no bleed box found, the trim box will be derived from the art box; if there is no art box, the Action will search for the third page box in the list, and so on.
You must also define the minimum distance between the media and bleed boxes and between the bleed and trim boxes.
Screen viewing
If you select this layout, the page is defined solely by the crop box, which should have the same size as the media box. No other page boxes are allowed. The crop box/media box is derived from the first page box (out of the list below) that is present on the page. Use the Up and Down button to move the preferred page box to the top of the list. For example, if bleed box is the first item in the list, the crop box/media box will be derived from the bleed box if found in the PDF; if the bleed box is not found, the second page box in the list will be searched for, ...
PDF/X layout
If you select this layout, a page may only contain a trim box or an art box, not both.
You must also select the preferred PDF/X version. If you have chosen PDF/X-1a:2003 or PDF/X-3:2003, the art box or trim box shall not extend beyond the boundaries of the bleed box and the crop box.
To define the trim box relative to the media box, define the desired margins.